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FT-15T- 4.5A1- Spring - Piezo Ceramic Buzzer Element

Drawing  |  Specifications
Specifications of Spring
Material  Resonant frequency (KHz) Resonant resistance (Ω) DC resistance at 30Vdc (MΩ) Electrostatic capacitance (pF) Max. input Voltage (Vp-p)
Brass 4.5±0.6 <500 100 7000±30 30

1.  Material: stainless steel, 0.15±0.02mm;

2.  Outer diameter of spring: 1.5 mm;

3.  Total coils: 7;

4.  Active coils: 5;

5.  Free height of spring:4.06mm;

6.  Compressed height of spring: about 1.0mm;

7.  Load characteristics:
 ® be compressed to 2.54 mm upon a force of 60±10g
® be compressed to 1.52 mm upon a force of 100±15g

8.  Free ends of the spring should be closed square;

9.  Spring should be perpendicular to within 10 angle of piezo element/brass plate;

10.  Spring to be attached to the plates, resistance through attachment to be less than 100Ω, with a breakaway force greater than 60 grams.

Dimensions (Unit: mm)


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Last update: Monday, July 24, 2006 11:32:08 AM

"ISL Products International Ltd. is an engineering oriented manufacturer and supplier of
standard and custom electronic and electro - mechanical transformer and connector products.